The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 06, 2018
Filed:
Jan. 29, 2016
Toyo Kohan Co., Ltd., Tokyo, JP;
Toyo Kohan Co., Ltd., Tokyo, JP;
Abstract
Provided is a surface-treated steel sheet for battery containers () that is obtained in such a manner that after iron-nickel alloy plating is performed on a steel sheet (), a thermal treatment is performed and is characterized in that an outermost layer is an iron-nickel alloy layer (), and the iron-nickel alloy layer () has an average crystal size of 1 to 8 μm at the outermost surface thereof. The present invention makes it possible to provide the surface-treated steel sheet for battery containers that can suppress the elution of iron inside the battery when being used for a battery container, whereby the service life of the battery can be extended and battery characteristics such as discharge characteristics is improved, and to provide a battery container and a battery that can be obtained using the surface-treated steel sheet for battery containers.